A249232 Number of length n+5 0..7 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four

183696, 1044612, 5967084, 34184700, 196210998, 1127486210, 6483080144, 37310369094, 214752404734, 1236199073642, 7116616481920, 40972381884884, 235906135763722, 1358433992018630, 7822570497770876, 45047193139633734

Offset

1,1

Comments

Column 7 of A249233

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..2....2....0....6....2....0....2....6....4....0....4....4....6....0....0....0
..4....4....6....6....0....6....4....1....5....0....7....2....4....6....1....3
..3....6....5....7....6....4....2....5....3....2....7....5....4....5....6....4
..5....4....5....5....1....5....0....6....6....7....6....6....5....3....6....7
..7....4....4....1....0....1....7....2....7....6....0....5....7....2....3....4
..5....3....2....1....7....3....7....5....0....1....7....6....6....0....1....0

Crossrefs

Sequence in context: A368939 A030466 A233956 * A086478 A207795 A228677

Adjacent sequences: A249229 A249230 A249231 * A249233 A249234 A249235

Keyword

nonn

Author

R. H. Hardin, Oct 23 2014

Status

approved